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Date: Thu, 29 May 2014 12:58:16 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
Jiri Olsa <jolsa@...hat.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Ingo Molnar <mingo@...nel.org>,
Paul Mackerras <paulus@...ba.org>,
Namhyung Kim <namhyung.kim@....com>,
Namhyung Kim <namhyung@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Andi Kleen <andi@...stfloor.org>, Arun Sharma <asharma@...com>,
Rodrigo Campos <rodrigo@...g.com.ar>,
Don Zickus <dzickus@...hat.com>
Subject: [PATCH 13/27] perf tools: Apply percent-limit to cumulative percentage
If -g cumulative option is given, it needs to show entries which don't
have self overhead. So apply percent-limit to accumulated overhead
percentage in this case.
Tested-by: Arun Sharma <asharma@...com>
Tested-by: Rodrigo Campos <rodrigo@...g.com.ar>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
tools/perf/ui/browsers/hists.c | 40 +++++++++++-----------------------------
tools/perf/ui/gtk/hists.c | 6 ++----
tools/perf/ui/stdio/hist.c | 4 ++--
tools/perf/util/sort.h | 17 ++++++++++++++++-
4 files changed, 31 insertions(+), 36 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 2dcbe3d15a5f..5905acde5f1d 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -37,7 +37,6 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size,
static void hist_browser__update_nr_entries(struct hist_browser *hb);
static struct rb_node *hists__filter_entries(struct rb_node *nd,
- struct hists *hists,
float min_pcnt);
static bool hist_browser__has_filter(struct hist_browser *hb)
@@ -319,7 +318,7 @@ __hist_browser__set_folding(struct hist_browser *browser, bool unfold)
struct hists *hists = browser->hists;
for (nd = rb_first(&hists->entries);
- (nd = hists__filter_entries(nd, hists, browser->min_pcnt)) != NULL;
+ (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL;
nd = rb_next(nd)) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
hist_entry__set_folding(he, unfold);
@@ -808,15 +807,12 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
for (nd = browser->top; nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
- u64 total = hists__total_period(h->hists);
- float percent = 0.0;
+ float percent;
if (h->filtered)
continue;
- if (total)
- percent = h->stat.period * 100.0 / total;
-
+ percent = hist_entry__get_percent_limit(h);
if (percent < hb->min_pcnt)
continue;
@@ -829,16 +825,11 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
}
static struct rb_node *hists__filter_entries(struct rb_node *nd,
- struct hists *hists,
float min_pcnt)
{
while (nd != NULL) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
- u64 total = hists__total_period(hists);
- float percent = 0.0;
-
- if (total)
- percent = h->stat.period * 100.0 / total;
+ float percent = hist_entry__get_percent_limit(h);
if (!h->filtered && percent >= min_pcnt)
return nd;
@@ -850,16 +841,11 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd,
}
static struct rb_node *hists__filter_prev_entries(struct rb_node *nd,
- struct hists *hists,
float min_pcnt)
{
while (nd != NULL) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
- u64 total = hists__total_period(hists);
- float percent = 0.0;
-
- if (total)
- percent = h->stat.period * 100.0 / total;
+ float percent = hist_entry__get_percent_limit(h);
if (!h->filtered && percent >= min_pcnt)
return nd;
@@ -888,14 +874,14 @@ static void ui_browser__hists_seek(struct ui_browser *browser,
switch (whence) {
case SEEK_SET:
nd = hists__filter_entries(rb_first(browser->entries),
- hb->hists, hb->min_pcnt);
+ hb->min_pcnt);
break;
case SEEK_CUR:
nd = browser->top;
goto do_offset;
case SEEK_END:
nd = hists__filter_prev_entries(rb_last(browser->entries),
- hb->hists, hb->min_pcnt);
+ hb->min_pcnt);
first = false;
break;
default:
@@ -938,8 +924,7 @@ do_offset:
break;
}
}
- nd = hists__filter_entries(rb_next(nd), hb->hists,
- hb->min_pcnt);
+ nd = hists__filter_entries(rb_next(nd), hb->min_pcnt);
if (nd == NULL)
break;
--offset;
@@ -972,7 +957,7 @@ do_offset:
}
}
- nd = hists__filter_prev_entries(rb_prev(nd), hb->hists,
+ nd = hists__filter_prev_entries(rb_prev(nd),
hb->min_pcnt);
if (nd == NULL)
break;
@@ -1151,7 +1136,6 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser,
static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp)
{
struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries),
- browser->hists,
browser->min_pcnt);
int printed = 0;
@@ -1159,8 +1143,7 @@ static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp)
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
printed += hist_browser__fprintf_entry(browser, h, fp);
- nd = hists__filter_entries(rb_next(nd), browser->hists,
- browser->min_pcnt);
+ nd = hists__filter_entries(rb_next(nd), browser->min_pcnt);
}
return printed;
@@ -1397,8 +1380,7 @@ static void hist_browser__update_nr_entries(struct hist_browser *hb)
return;
}
- while ((nd = hists__filter_entries(nd, hb->hists,
- hb->min_pcnt)) != NULL) {
+ while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) {
nr_entries++;
nd = rb_next(nd);
}
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 7e5da4af98d8..03d6812d25dd 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -226,14 +226,12 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
GtkTreeIter iter;
u64 total = hists__total_period(h->hists);
- float percent = 0.0;
+ float percent;
if (h->filtered)
continue;
- if (total)
- percent = h->stat.period * 100.0 / total;
-
+ percent = hist_entry__get_percent_limit(h);
if (percent < min_pcnt)
continue;
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 9f57991025a9..475d2f5c7e16 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -461,12 +461,12 @@ print_entries:
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
- float percent = h->stat.period * 100.0 /
- hists->stats.total_period;
+ float percent;
if (h->filtered)
continue;
+ percent = hist_entry__get_percent_limit(h);
if (percent < min_pcnt)
continue;
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index c9ffa031becd..426b873e16ff 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -20,7 +20,7 @@
#include "parse-options.h"
#include "parse-events.h"
-
+#include "hist.h"
#include "thread.h"
extern regex_t parent_regex;
@@ -131,6 +131,21 @@ static inline void hist_entry__add_pair(struct hist_entry *pair,
list_add_tail(&pair->pairs.node, &he->pairs.head);
}
+static inline float hist_entry__get_percent_limit(struct hist_entry *he)
+{
+ u64 period = he->stat.period;
+ u64 total_period = hists__total_period(he->hists);
+
+ if (unlikely(total_period == 0))
+ return 0;
+
+ if (symbol_conf.cumulate_callchain)
+ period = he->stat_acc->period;
+
+ return period * 100.0 / total_period;
+}
+
+
enum sort_mode {
SORT_MODE__NORMAL,
SORT_MODE__BRANCH,
--
1.9.2
--
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